Tables 6, 7. 



CONVERSION FACTORS. 



H 



Pi 

 CIS 

 O 



o 





Ch 



o 



n 

 11 



o 



g 



■J 



o 

 a. 

 3 

 -a 



'o 



> 



< 



3 

 o 

 o, 



o 



J3 



pa 



•a 



a 



u 



3 



13 



a 



3 

 O 



Smithsonian Tables. 



12 



